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Dmcrawford
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Changing payments per year

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I am trying to change from 12 payments per year to 1 payment per for an interest calculation.  I enter 1 shift p/yr, but it stays at 12.  Help?!

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David_M
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Which calculator?

Dmcrawford
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HP 10bII+

David_M
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After you try 1 <red shift> P/YR, try to validate the entry by pressing:

 

   <red shift> C ALL

 

The display should briefly show "1 P_Yr", then 0.00 (with your current display setting)

 

A second way to check the setting is to try:

 

   RCL <red shift> P/YR

 

The display should now show 1.00

 

If all else fails, as a last resort you could always try resetting the calculator by doing the following:

 

1) Press and hold the ON key

2) While still holding the ON button, press and hold the N key

3) While still holding both of the above buttons, press the FV key

4) Release all of the keys

 

If successful, you should briefly see a copyright message, then "ALL CLEAr"

 

If there's a problem with your keys working, you can test them by running the keyboard test:

 

1) Press and hold ON

2) Press and release PMT

3) Release ON, display should now show "1 ScrEEn"

4) Press +, display should now show "2 kEyboArd"

5) Press =, display should now show "PrESS kEyS"

6) Press each key one after the other, starting at the top left and moving left-to-right on each subsequent row

7) After pressing the final key (+), the display should now show "Good".  Anything else in the display indicates that a key was missed or didn't respond.

😎 Press C to return to normal operation.

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Dmcrawford
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What is "RCL"?

David_M
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Fourth row down, second key from left.  Labeled "RCL".  It recalls the value of the next key (or shifted key) you press.  It's a good way to see the contents of any of the normal or designated registers if you're ever in doubt of what's currently in them.

Joe_Horn
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Please note that the [×P/YR] key is different from the [P/YR] key.  The [×P/YR] key (which is the shifted N key) multiplies your input by the current value of P/YR and stores the result into N. That's not what you want. The [P/YR] key (which is the shifted PMT key) stores your input directly into P/YR.  That's what you want here.

 

Disclaimer: I don't work for HP. I'm just another happy HP calculator user.

-Joe-
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